Segments
File convention in local KAGRA servers
Directory in Kamioka: /users/DET/Segments/ -> /users/DET/Segments/${name}/${yyyy}/
Directory in Kashiwa: /home/detchar/Segments/ -> /home/detchar/Segments/${name}/${yyyy}/
File: SegmentList_foo_UTC_yyyy-mm-dd.txt -> ${name}_SEGMENT_UTC_${yyyy-mm-dd}.txt
Recommendation
All the data analysis must require K1-SCIENCE_MODE or K1-DET_FOR_GRB200415A is active.
- Basically K1-SCIENCE_MODE is recommended, but if you are interested in the gamma-ray event, K1-DET_FOR_GRB200415A is recommended.
Definition
# |
name |
definition |
file name |
description |
valid period |
1 |
K1-GRD_SCIENCE_MODE |
K1:GRD_IFO_STATE_N == 1000 |
K1-GRD_SCIENCE_MODE_SEGMENT_UTC_yyyy-mm-dd |
Observation mode based on guardian |
2020/1/10~ |
2 |
K1-GRD_LOCKED |
K1:GRD_IFO_STATE_N >= 100 |
K1-GRD_LOCKED_SEGMENT_UTC_yyyy-mm-dd |
Interferometer locked |
2020/1/10~ |
3 |
K1-GRD_UNLOCKED |
K1:GRD_IFO_STATE_N < 100 |
K1-GRD_UNLOCKED_SEGMENT_UTC_yyyy-mm-dd |
Not locked |
2020/1/10~ |
4 |
K1-OMC_OVERFLOW_OK |
K1:FEC-32_ADC_OVERFLOW_0_0 == 0 |
K1-OMC_OVERFLOW_SEGMENT_OK_UTC_yyyy-mm-dd |
No overflow |
2020/4/7~21 |
5 |
K1-OMC_OVERFLOW_VETO |
K1:FEC-32_ADC_OVERFLOW_0_0 != 0 |
K1-OMC_OVERFLOW_SEGMENT_UTC_yyyy-mm-dd |
overflow |
2020/4/7~21 |
|
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|
6 |
K1-DAQ_STATUS_BAD |
K1-DAQ_STATUS_BAD_SEGMENT_UTC_yyyy-mm-dd |
Broken frame files |
2020/4/7~21 |
|
7 |
K1-SCIENCE_MODE |
K1-GRD_SCIENCE_MODE && K1-OMC_OVERFLOW_OK && not K1-DAQ_STATUS_BAD |
K1-SCIENCE_MODE_SEGMENT_UTC_yyyy-mm-dd |
Science mode |
2020/4/7~21 |
8 |
K1-DET_FOR_GRB200415A |
K1:GRD_IFO_STATE_N == 1000 |
K1-DET_FOR_GRB_SEGMENT_UTC_yyyy-mm-dd |
special definition for GRB200415A |
only 4/15 |
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9 |
K1-GRD_PEM_EARTHQUAKE |
K1:GRD_PEM_EARTHQUAKE_STATE_N == 1000 |
K1-GRD_PEN_EARTHQUAKE_SEGMENT_UTC_yyyy-mm-dd |
Earthquake flag |
2020/1/22~ |
10 |
K1-CAL_CS_PROC_C00_STRAIN_DBL_DQ_SNR100 |
K1:CAL_CS_PROC_C00_STRAIN_DBL_DQ has glitch of SNR > 100 |
K1-CAL_CS_PROC_C00_STRAIN_DBL_DQ_SNR100_SEGMENT_UTC_yyyy-mm-dd |
Earthquake flag |
2020/2/6~ |
Obsolete
name |
definition |
file name |
description |
valid period |
|
K1:GRD_LSC_LOCK_STATE_N == 1000 |
SegmentList_FPMI_UTC_yyyy-mm-dd |
Observation mode |
~2020/1/20 |
|
K1:GRD_LSC_LOCK_STATE_N != 1000 |
SegmentList_unlocked_UTC_yyyy-mm-dd |
NOT Observation mode |
~2020/1/20 |
|
|
|
|
|
|
K1:GRD-LSC_LOCK_STATE_N == 300 |
SegmentList_locked_UTC_yyyy-mm-dd |
FPMI locked |
~2020/1/20 |
K1-GRD_LOCKED |
K1:GRD_IFO_STATE_N >= 100 |
K1-GRD_LOCKED_SEGMENT_UTC_yyyy-mm-dd |
FPMI locked |
2020/1/10~4/6 |
K1-GRD_UNLOCKED |
K1:GRD_IFO_STATE_N < 100 |
K1-GRD_UNLOCKED_SEGMENT_UTC_yyyy-mm-dd |
Not locked |
2020/1/10~4/6 |
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K1:GRD_IMC_STATE_N >= 100 |
SegmentList_IMC_UTC_yyyy-mm-dd |
IMC locked |
~2020/1/20 |
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Automation
Script: make15minSegment.py (GitHub)
- Schedule: 0:10 (UTC) by crontab on k1det0 (Partial file production every 15 min)
Script: make15minSegment.py (GitHub)
- Schedule: 0:10 (UTC) by crontab on k1det0
Old script: makeDailySegment.py (GitHub)
- Schedule: 0:10 (UTC) by crontab on k1det0
Notes for developer
- About sharing data with LIGO on DQSEGDB, please contact Robert Bruntz.
- Now K1-SCIENCE_MODE is not generated automatically.
- Toward O4, automation of DAQ err segments will be required.